I didn't read the article, but do the opposite of what they say.
How to Trade the Greek Euro Exit with EUR/USD
Greece is close to leaving the euro-zone in a process that is accelerating rapidly. This rare event, even if highly anticipated, is expected to trigger high volatility and provide trading opportunities. Here is an explanation about the background, when can it be expected, how markets are likely to react and two ways to trade it with EUR/USD. Why it is imminent After coalition talks failed, Greece appointed a caretaker government and awaits elections on June 17th. This round will actually be a run off between mainstream pro bailout / austerity parties and anti-austerity ones. Or if you wish – a referendum, such as ... (full story)